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时间:2018-07-30
《新概念英语第四册第十九单元语法与句型》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、新概念英语第四册第十九单元课语法与句型Lesson19Thestuffofdreams说梦话的本质Itisfairlyclearthatthesleepingperiodmusthavesomefunction,andbecausethereissomuchofitthefunctionwouldseemtobeimportant.Speculationsaboutitsnaturehavebeengoingonforliterallythousandsofyears,andoneoddfindingthatmakesth
2、eproblempuzzlingisthatitlooksverymuchasifsleepingisnotsimplyamatterofgivingthebodyarest.'Rest',intermsofmusclerelaxationandsoon,canbeachievedbyabriefperiodlying,orevensittingdown.Thebody'stissuesareself-repairingandself-restoringtoadegree,andfunctionbestwhenmoreor
3、lesscontinuouslyactive.Infactabasicamountofmovementoccursduringsleepwhichisspecificallyconcernedwithpreventingmuscleinactivity.Ifitisnotaquestionofrestingthebody,thenperhapsitisthebrainthatneedsresting?Thismightbeaplausiblehypothesiswereitnotfortwofactors.Firstthe
4、electroencephalograph(whichissimplyadeviceforrecordingtheelectricalactivityofthebrainbyattachingelectrodestothescalp)showsthatwhilethereisachangeinthepatternofactivityduringsleep,thereisnoevidencethatthetotalamountofactivityisanyless.Thesecondfactorismoreinteresti
5、ngandmorefundamental.Inl960anAmericanpsychiatristnamedWilliamDementpublishedexperimentsdealingwiththerecordingofeye-movementsduringsleep.Heshowedthattheaverageindividual'ssleepcycleispunctuatedwithpeculiarburstsofeye-movements,somedriftingandslow,othersjerkyandrap
6、id.Peoplewokenduringtheseperiodsofeye-movementsgenerallyreportedthattheyhadbeendreaming.Whenwokenatothertimestheyreportednodreams.Ifonegroupofpeopleweredisturbedfromtheireye-movementsleepforseveralnightsonend,andanothergroupweredisturbedforanequalperiodoftimebutwh
7、entheywerenotexhibitingeye-movements,thefirstgroupbegantoshowsomepersonalitydisorderswhiletheothersseemedmoreorlessunaffected.Theimplicationsofallthiswerethatitwasnotthedisturbanceofsleepthatmattered,butthedisturbanceofdreaming.(NCEBookFour)【语法点】matter的词性和用法【课文原句】
8、Speculationsaboutitsnaturehavebeengoingonforliterallythousandsofyears,andoneoddfindingthatmakestheproblempuzzlingisthatitlooksverymuchasifsleepingisnots
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